2005 Pure Stock Rules

Dallas County Speedway

2005 Pure Stock Rules

Body - Minimum wheel base 103 inches. Any year American made production car. All cars are to remain stock. Full frame cars may remove inner front fender wells. Unibodies may not. Bumpers must be stock with no added braces. Chain loop may be added front and rear for towing. Doors may be gutted for roll bars. Cars must have stock steering columns. Steering wheel may be replaced with aftermarket wheel and removable locking device. Heating and air conditioning may be removed. All holes must be patched with sheet metal. Rear fire wall must be added between driver and gas tank. All glass and trim must be removed. No mirrors. Must have a safety screen over drivers side windshield. Hoods fenders and bumpers are required.

Roll bars - Must have at least four upright bars. Three left side door bars and two right side door bars. Cross brace behind driver. Angle brace behind driver and middle bar in the top, left leg brace recommended. No front engine hoop allowed. Cages must be round roll bar tubing, no less than one and one half (1 1/2) inches across and ninety five thousands (.095) thickness.

Seat - Must have racing type seat, aluminum recommended. Must have at least four bolts three eights inch grade five with fender washers attached to frame or cage. Seat must be in stock location.

Belts - Must have three inch lap and shoulder belts in good condition, mounted with one half inch grade five bolts.

Helmet - Snell rating of at least ninety.

Uniform - Must wear full racing suit.

Fire extinguisher - Required must be full with gauge and in drivers reach.

Brakes --Must lock up all four wheels. Master cylinder and booster may be replaced with any single master cylinder aftermarket or oem. Pedal must remain in stock location. No brake bias or proportional valves allowed. No shut off valves.

Wheels - Steel wheels - seven inch max. width.

Tires - Street d.o.t. tires. No all terrain. Max. tread width seven inches. Passenger tires only.

Rear ends --Stock for car. Open rear ends only. No welded gears or spools. No limited slip rear ends.

Drive line -Painted white, with front safety hoop.

Transmissions - automatic only, with full size working converter.

Shocks and springs - Stock in stock location.

Ignition - Must be stock.

Carburetor - Two barrel carburetor only. 500 cfm max.

Gas tank - Must be made of heavy duty construction. Small fuel cell recommended. Must be strapped in both directions.

Wheel bolts and nuts - At least 1/2 inch bolts & 1 inch lug nuts.

Weight - No weight may be added to car.

Engine - Must be of same manufacture as car, in stock location with stock mounts. Safety chains may be added. No aluminum heads or blocks. No aftermarket heads, intakes, or exhaust. Head must have GM, Ford, or Chrysler ID. May have duel exhaust. Pipes must direct exhaust away from driver. Engine must maintain 15” of vacuum at idle.